STEPPED DRILL BIT WITH ALTERNATELY SHARPENED EDGES TO CLEAN-OUT OBSCURED FASTENER OPENINGS IN CROSS LAMINATED TIMBER JOINTS
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A drill bit for use with construction using cross laminated timbers (CLT) is provided. The bit has both sharpened and dull portions of the cutting element of the bit， so that it can clean- out an opening in the CLT that has been partially obscured by shifts in the laminated constituents of the CLT， without elongating or otherwise changing the shape of the fastener opening. The use of the bit is made at the construction site in fastener openings previously made and otherwise obscured， thereby allowing the quick assembly and construction of a structure made of CLT.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
